A.at
B.for
C.in
D.on
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A.with
B.to
C.for
D.of
A.at obscured objects
B.forward submerged targets
C.up exposed targets
D.for unseen objects
A.to be sailing
B.sailing
C.sail
D.to sail
A.in
B.of
C.on
D.with
A.cargo elevators
B.conveyor belts
C.ramps
D.derricks and winches for cargo handling
最新試題
Before any loading takes place any signs of the previous cargo should do（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
The helm command PORT TWENTY means（）.
（）is on the panel of radar.
When steering by autopilot,how often should the steering be checked?（）
When the wave period and the apparent rolling period are the same（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
Which of the following is not a form of precipitation?（）
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）